Projection screen functional layer coating preparation device

Abstract

The utility model belongs to the technical field of imaging display, and particularly relates to a projection screen functional layer coating preparation device which comprises a coating machine body. A feeding cylinder is mounted at the top of the spraying machine main body; an air blower is mounted at the top of the spraying machine main body; the end part of the air blower is fixedly connected with a guide plate; the end part of the guide plate is fixedly connected with two groups of connecting pipes; the end part of the connecting pipe is fixedly connected with a gas collecting tank, and the middle part of the gas collecting tank is arc-shaped; the guide plate, the connecting pipe and the gas collecting tank are arranged in a communicating manner; a filter screen is fixedly connected to the middle part of the gas collection tank; by means of the air exhausted by the filter screen, the cleanliness of the middle of the spraying machine body can be improved, the problem that follow-up treatment is troublesome due to the fact that many materials are stacked in the middle of the spraying machine body is solved, meanwhile, the drying speed of the materials on the surface of the screen can be increased, and under the action of the filter screen, part of impurities in the air can be shielded; and subsequent cleaning work is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of imaging display, in particular to a device for preparing functional layer coating of a projection screen. Background Art

[0002] A projection screen is a tool used to display projected images or video files. It is mainly used in movies, offices, home theaters, large conferences, etc. to display images or video files. Its main feature is that it can adapt to different spaces and usage requirements.

[0003] When projection screens are produced, a functional layer of coating is usually applied to the surface of the projection screen with the help of a sprayer. This method not only improves optical efficiency and brightness, but also helps to expand the viewing angle range of the projection screen, allowing viewers to have a clear viewing experience at different angles.

[0004] Through long-term observation, although the existing spray machine can process the screen, when the spray machine is coating the screen surface, part of the sprayed material may adhere to the surface of the spray machine under the action of external wind, causing trouble when cleaning the equipment later; therefore, a projection screen functional layer coating preparation device is proposed to solve the above problems.

[0005] To this end, the utility model provides a device for preparing a functional layer coating for a projection screen. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is: the device for preparing functional layer coating for projection screen described in the present invention includes a sprayer main body; a feed barrel is installed on the top of the sprayer main body; a blower is installed on the top of the sprayer main body; a guide plate is fixedly connected to the end of the blower; two groups of connecting pipes are fixedly connected to the end of the guide plate; the end of the connecting pipe is fixedly connected to an air collecting box, and the middle part of the air collecting box is arranged in an arc shape; the guide plate, connecting pipe and air collecting box are connected; and a filter is fixedly connected to the middle of the air collecting box.

[0008] Preferably, a bracket is fixedly connected to the top of the feed barrel; a bevel gear is rotatably connected to the middle of the bracket; a belt is rotatably connected to the middle of the bevel gear, and the other end of the belt is rotatably connected to the middle of the blower output end; a connecting rod is rotatably connected to the middle of the bracket, and the bevel gear and the connecting rod are arranged to engage with each other; a plurality of groups of protrusions are fixedly connected to the middle of the connecting rod, and the protrusions are arranged inside the feed barrel.

[0009] Preferably, an inner cavity is opened in the middle of the connecting rod and the protrusion; a piston is slidably connected to the middle of the protrusion; a stirring member is fixed to the end of the piston; a screw is threadedly connected to the middle of the connecting rod; the piston and the screw are arranged in contact with the inner wall of the inner cavity.

[0010] Preferably, an inner groove is provided in the middle of the stirring member; a spring is fixedly connected to the inner wall of the inner groove; and an impact block is fixedly connected to the end of the spring.

[0011] Preferably, a pull rope is fixedly connected to the middle of the air collecting box; a counterweight is fixedly connected to the end of the pull rope, and the counterweight is arranged near the filter screen.

[0012] Preferably, an elastic rope is fixed to the middle of the piston, and the elastic rope is located inside the inner cavity.

[0013] Preferably, two sets of gaskets are fixed to the end of the impact block.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The device for preparing the functional layer coating of a projection screen described in the present invention can improve the cleanliness of the middle part of the sprayer body by exhausting the gas through the filter screen provided, reduce the problem of a large amount of material accumulating in the middle part of the sprayer body, which causes troubles in subsequent processing, and at the same time improve the drying speed of the material on the surface of the screen. Moreover, under the action of the filter screen, some impurities in the gas can be blocked to facilitate subsequent cleaning work.

[0016] 2. The device for preparing functional layer coating for projection screens described in the present invention can improve the fluidity inside the feed barrel by rotating the connecting rod, reduce the problem that the coating inside the feed barrel remains in a static state for a long time, and the top layer of coating hardens, which affects the subsequent spraying, thereby improving the accuracy of screen processing, and the multiple groups of raised bumps can improve the stability of stirring the coating inside the feed barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the blower structure in the utility model;

[0020] Figure 3 This is a schematic diagram of the connecting rod structure in the present utility model;

[0021] Figure 4 for Figure 3 A magnified view of point A;

[0022] Figure 5 This is a schematic diagram of the gas collecting box structure in the utility model.

[0023] In the figure: 1. Sprayer body; 11. Feed barrel; 12. Blower; 13. Guide plate; 14. Connecting pipe; 15. Air collecting box; 16. Filter; 2. Bracket; 21. Bevel gear; 22. Belt; 23. Connecting rod; 24. Bump; 3. Inner cavity; 31. Piston; 32. Stirring element; 33. Screw; 4. Inner groove; 41. Spring; 42. Impact block; 5. Pull rope; 51. Counterweight; 6. Elastic rope; 7. Gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Specific examples are given below.

[0026] like Figures 1 to 5As shown, a device for preparing functional layer coating of projection screen described in an embodiment of the present invention includes a sprayer main body 1; a feed barrel 11 is installed on the top of the sprayer main body 1; a blower 12 is installed on the top of the sprayer main body 1; a guide plate 13 is fixedly connected to the end of the blower 12; two sets of connecting pipes 14 are fixedly connected to the end of the guide plate 13; the end of the connecting pipe 14 is fixedly connected to an air collecting box 15, and the middle part of the air collecting box 15 is arranged in an arc shape; the guide plate 13, the connecting pipe 14 and the air collecting box 15 are connected; a filter screen 16 is fixedly connected to the middle of the air collecting box 15; during work, the staff needs to fix the screen to be processed, and then place an appropriate amount of coating from the feed barrel 11 inside the sprayer main body 1, and spray it with the nozzle arranged at the end of the sprayer main body 1, and then spray it out through the nozzle arranged at the end of the sprayer main body A blower 12 is provided on the top of the sprayer body 1, so that the blower 12 switch can be started at the same time when the sprayer body 1 is working, so that the blower 12 can generate wind when working, and the wind can be transferred to the inside of the arc-shaped filter 16 after passing through the two sets of connecting pipes 14, and discharged at multiple angles simultaneously, and the paint flying from the outside and close to the sprayer body 1 is transferred to the position, and the discharged wind can also dry the paint applied on the screen surface. This step is combined with the gas discharged by the filter 16, which can improve the cleanliness of the middle part of the sprayer body 1, reduce the problem of a large amount of material accumulating in the middle part of the sprayer body 1, and cause trouble in subsequent processing. At the same time, it can improve the drying speed of the material on the screen surface, and under the action of the filter 16, some impurities in the gas can be blocked to facilitate subsequent cleaning work.

[0027] like Figures 1 to 4As shown, the top of the feed barrel 11 is fixed with a bracket 2; the middle part of the bracket 2 is rotatably connected to a bevel gear 21; the middle part of the bevel gear 21 is rotatably connected to a belt 22, and the other end of the belt 22 is rotatably connected to the middle part of the output end of the blower 12; the middle part of the bracket 2 is rotatably connected to a connecting rod 23, and the bevel gear 21 and the connecting rod 23 are arranged to mesh with each other; the middle part of the connecting rod 23 is fixed with multiple groups of protrusions 24, and the protrusions 24 are arranged inside the feed barrel 11; when working, by providing a connectable rod 23 in the middle of the feed barrel 11, when the blower 12 is working, the output end in the middle can make the belt 22 rotate synchronously, and drive the bevel gear The wheel 21 rotates in the middle of the bracket 2, and causes the connecting rod 23 engaged with it to rotate synchronously, and the multiple groups of raised bumps 24 in the middle of the connecting rod 23 can drive the material inside the feed barrel 11 to flow, and stir the material placed on the inner wall of the feed barrel 11. Under the action of the rotating connecting rod 23, this step can improve the fluidity inside the feed barrel 11, reduce the problem that the paint inside the feed barrel 11 remains in a static state for a long time, and the top layer of the paint hardens and affects the subsequent spraying, thereby improving the accuracy of screen processing, and the multiple groups of raised bumps 24 set up can improve the stability of stirring the paint inside the feed barrel 11.

[0028] like Figures 2 to 4 As shown, an inner cavity 3 is opened in the middle of the connecting rod 23 and the protrusion 24; a piston member 31 is slidably connected to the middle of the protrusion 24; a stirring member 32 is fixedly connected to the end of the piston member 31; a screw 33 is threadedly connected to the middle of the connecting rod 23; the piston member 31 and the screw 33 are arranged in contact with the inner wall of the inner cavity 3; during operation, by arranging multiple groups of slidable piston members 31 and stirring members 32 in the middle of the protrusion 24, the multiple groups of raised piston members 31 and stirring members 32 can deeply contact the coating when the connecting rod 23 rotates, and when the multiple groups of stirring members 32 need to be stored inwardly, the screw 33 can be rotated to move upward as a whole, and after increasing the space on the inner wall of the inner cavity 3, the piston member 31 can be pushed to retract as a whole. This step, combined with the provided stirring member 32, can further improve the accuracy of stirring the material, and the provided screw 33 can store the stirring member 32 as a whole, thereby improving its flexibility during operation.

[0029] like Figure 4As shown, an inner groove 4 is opened in the middle of the stirring member 32; a spring 41 is fixedly connected to the inner wall of the inner groove 4; and an impact block 42 is fixedly connected to the end of the spring 41; during operation, by providing a spring 41 on the inner wall of the stirring member 32, when the connecting rod 23 as a whole rotates, under the action of inertia, the impact block 42 can be shaken as a whole, and the inner wall of the inner groove 4 is knocked, and the middle part of the spring 41 will be deformed. In this step, under the action of the knocking of the impact block 42, the cleanliness of the outer wall of the stirring member 32 can be improved, the accumulation and adhesion of impurities can be reduced, and the spring 41 provided can increase the shaking frequency of the impact block 42 as a whole.

[0030] like Figure 5 As shown, a pull rope 5 is fixedly connected to the middle of the gas collecting box 15; a counterweight 51 is fixedly connected to the end of the pull rope 5, and the counterweight 51 is arranged near the filter 16; during operation, multiple groups of pull ropes 5 are arranged on the outer wall of the gas collecting box 15, and when the gas is discharged from the middle of the filter 16, the multiple groups of counterweights 51 can be made to slide synchronously under the action of the pull rope 5, and then hit the middle of the filter 16 again with the help of gravity. In this step, under the action of the counterweight 51, the middle of the filter 16 can be cleaned to reduce the problem of blockage in the middle.

[0031] like Figure 4 As shown, an elastic rope 6 is fixed to the middle of the piston member 31, and the elastic rope 6 is arranged inside the inner cavity 3; when working, by arranging the elastic rope 6 in the middle of the two groups of piston members 31, the piston member 31 can be unfolded and the middle part of the elastic rope 6 can be stretched when the screw 33 descends. Then, after the screw 33 moves upward, the internal space of the inner cavity 3 is lifted and the piston member 31 is reset under the action of the tension of the elastic rope 6. This step, combined with the set elastic rope 6, can reduce the problem of subsequent manual reset of multiple groups of stirring members 32 in sequence, thereby reducing the labor intensity of the staff.

[0032] like Figure 4 As shown, two groups of gaskets 7 are fixedly connected to the end of the impact block 42; when working, two groups of gaskets 7 are arranged in the middle of the impact block 42, and when the impact block 42 shakes and approaches the inner wall of the inner tank 4, the gaskets 7 can first contact the inner wall of the inner tank 4 to work. This step can reduce the damage to the stirring member 32 under the action of the soft material elastic rope 6.

[0033] Working principle: After fixing the screen to be processed, a proper amount of paint can be placed inside the sprayer body 1 from the feed barrel 11, and sprayed with the nozzle provided at the end of the sprayer body 1. A blower 12 is provided on the top of the sprayer body 1, so that the blower 12 switch can be started at the same time when the sprayer body 1 is working, so that the blower 12 can generate wind when working, and the wind can be transferred to the inside of the arc-shaped filter 16 after passing through the two sets of connecting pipes 14, and discharged at multiple angles simultaneously, and the paint flying from the outside and close to the sprayer body 1 can be moved, and the discharged wind can also The paint applied on the screen surface is dried by providing a connecting rod 23 in the middle of the feed barrel 11. When the blower 12 is working, the output end in the middle can make the belt 22 rotate synchronously, and drive the bevel gear 21 to rotate in the middle of the bracket 2, and make the connecting rod 23 engaged with it rotate synchronously. The multiple groups of raised bumps 24 in the middle of the connecting rod 23 can drive the material inside the feed barrel 11 to flow, and stir the material placed on the inner wall of the feed barrel 11. By providing multiple groups of slidable pistons 31 and stirring members 32 in the middle of the bumps 24, the connecting rod 23 can rotate synchronously. When rotating, the multiple groups of raised piston members 31 and stirring members 32 can deeply contact with the paint for work. When the multiple groups of stirring members 32 need to be stored inward, the screw 33 can be rotated to move upward as a whole, and after increasing the space on the inner wall of the inner cavity 3, the piston member 31 can be pushed back as a whole. By arranging a spring 41 on the inner wall of the stirring member 32, and when the connecting rod 23 is rotated as a whole, under the action of inertia, the impact block 42 can be shaken as a whole, and the inner wall of the inner groove 4 can be knocked, and the middle part of the spring 41 will be deformed. By arranging multiple groups of pull ropes 5 on the outer wall of the air collecting box 15, and the middle of the filter screen 16 is arranged When the gas is discharged, the multiple groups of counterweights 51 can be slid synchronously under the action of the pull rope 5, and then hit the middle position of the filter 16 again with the help of gravity. By arranging an elastic rope 6 in the middle of the two groups of piston members 31, the piston members 31 can be unfolded and the middle part of the elastic rope 6 can be stretched when the screw 33 descends. Then, after the screw 33 moves upward, the internal space of the inner cavity 3 is lifted and the piston member 31 is reset under the action of the tension of the elastic rope 6. By arranging two groups of gaskets 7 in the middle of the impact block 42, when the impact block 42 shakes and approaches the inner wall of the inner groove 4, the gasket 7 can first contact and work with the inner wall of the inner groove 4.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A device for preparing a functional layer coating for a projection screen, comprising a spraying machine body (1), characterized in that: A feed barrel (11) is installed on the top of the sprayer body (1); it is characterized in that: a blower (12) is installed on the top of the sprayer body (1); a guide plate (13) is fixedly connected to the end of the blower (12); two groups of connecting pipes (14) are fixedly connected to the end of the guide plate (13); the end of the connecting pipe (14) is fixedly connected to the air collecting box (15), and the middle part of the air collecting box (15) is arranged in an arc shape; the guide plate (13), the connecting pipe (14) and the air collecting box (15) are connected; the middle part of the air collecting box (15) is fixedly connected to a filter screen (16).

2. The device for preparing a functional layer coating for a projection screen according to claim 1, characterized in that: The top of the feed barrel (11) is fixedly connected to a bracket (2); the middle of the bracket (2) is rotatably connected to a bevel gear (21); the middle of the bevel gear (21) is rotatably connected to a belt (22), and the other end of the belt (22) is rotatably connected to the middle of the output end of the blower (12); the middle of the bracket (2) is rotatably connected to a connecting rod (23), and the bevel gear (21) and the connecting rod (23) are arranged to mesh with each other; the middle of the connecting rod (23) is fixedly connected to multiple groups of protrusions (24), and the protrusions (24) are arranged inside the feed barrel (11).

3. The device for preparing a functional layer coating for a projection screen according to claim 2, characterized in that: An inner cavity (3) is provided in the middle of the connecting rod (23) and the protrusion (24); a piston member (31) is slidably connected to the middle of the protrusion (24); a stirring member (32) is fixedly connected to the end of the piston member (31); a screw rod (33) is threadedly connected to the middle of the connecting rod (23); the piston member (31) and the screw rod (33) are arranged in contact with the inner wall of the inner cavity (3).

4. The device for preparing a functional layer coating for a projection screen according to claim 3, characterized in that: An inner groove (4) is provided in the middle of the stirring member (32); a spring (41) is fixedly connected to the inner wall of the inner groove (4); and an impact block (42) is fixedly connected to the end of the spring (41).

5. The device for preparing a functional layer coating for a projection screen according to claim 1, characterized in that: A drawstring (5) is fixedly connected to the middle of the air collecting box (15); a counterweight (51) is fixedly connected to the end of the drawstring (5), and the counterweight (51) is arranged near the filter screen (16).

6. The device for preparing a functional layer coating for a projection screen according to claim 3, characterized in that: An elastic rope (6) is fixedly connected to the middle of the piston member (31), and the elastic rope (6) is located inside the inner cavity (3).

7. The device for preparing a functional layer coating for a projection screen according to claim 4, characterized in that: Two groups of gaskets (7) are fixedly connected to the end of the impact block (42).

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